Re: order by + group by

2011-09-14 Thread Jonas H.
On 09/14/2011 11:37 AM, Иван Иванов wrote: The problem here is, like Peter said, that you cannot order before grouping. And that's very annoying. Of course you can, using a subselect just like I showed. SQLite example: > .schema CREATE TABLE a (name varchar, mod int); e> select * from a; b1|1

Re: order by + group by

2011-09-14 Thread Jonas H.
On 09/14/2011 04:35 AM, Peter of the Norse wrote: What are you trying to do? The outer GROUP BY destroys the inner ORDER BY. Try putting them on the same level and see what happens. Say I've got an Event table and some records like this name: foo, timestamp: 9 pm name: foo, timestamp: 10p

order by + group by

2011-09-11 Thread Jonas H.
Hi! How can I express this SQL query SELECT ... FROM ( SELECT ... FROM ... ) in the ORM? Specifically, I want to express SELECT ... FROM ( SELECT ... FROM app_model ORDER BY field1 ) GROUP BY field2 Is it possible without writing SQL by hand? Thanks, Jonas -- Django +

Re: Weird Problem: Template Shows Templatevariable's Name Instead Of It's Value

2011-08-14 Thread Jonas H.
On 08/14/2011 09:57 PM, bruno desthuilliers wrote: {% for current, entry, month, n in months %} Please think about what "months" is here... Yes, a list of dicts. So this line is the equivalent of: current = months[0] # first dict in the list entry = months[1]# second dict in the list month

Re: Redisplay form with different field value?

2011-08-13 Thread Jonas H.
On 08/13/2011 05:00 PM, Karen Tracey wrote: Plus, afaik, fields can not access form instances so this code would have to live in the form subclass -- not practical in my use case. Where I have done this (reluctantly) has been in the form (or perhaps it was the field) clean method, where self is

Re: Redisplay form with different field value?

2011-08-13 Thread Jonas H.
On 08/13/2011 06:33 AM, Karen Tracey wrote: On Thu, Aug 11, 2011 at 7:03 AM, Jonas H. wrote: On 08/09/2011 12:45 AM, Jonas H. wrote: Hello list! Is there any way to use a different value for a field when re-displaying a form? I.e. if a user enters '42' into an IntegerField bu

Re: Redisplay form with different field value?

2011-08-11 Thread Jonas H.
On 08/09/2011 12:45 AM, Jonas H. wrote: Hello list! Is there any way to use a different value for a field when re-displaying a form? I.e. if a user enters '42' into an IntegerField but made the other fields not validate, how could that IntegerField be re-displayed with '43

Redisplay form with different field value?

2011-08-08 Thread Jonas H.
Hello list! Is there any way to use a different value for a field when re-displaying a form? I.e. if a user enters '42' into an IntegerField but made the other fields not validate, how could that IntegerField be re-displayed with '43'? Jonas -- You received this message because you are subs

Re: Custom SQL questions

2010-12-19 Thread Jonas H.
On 12/19/2010 10:20 PM, Andy wrote: Is there a way to specify JOIN using the Django ORM? The 2 tables I'm joining aren't related through a foreign key. Why don't you use a relation field in your models if your models are related? -- You received this message because you are subscribed to the

Re: Custom SQL questions

2010-12-19 Thread Jonas H.
On 12/19/2010 09:45 PM, Andy wrote: I need to execute some SQL queries involving joins and it seems like custom SQL is the way to go. I presume you already tried out to do your JOIN queries using the Django ORM? A couple of questions: 1) In the doc (http://docs.djangoproject.com/en/1.2/

Re: ZSI WEB SERVICE

2010-12-18 Thread Jonas H.
On 12/18/2010 10:59 AM, sami nathan wrote: __init__() must be called with TypeCode instance as first argument (got String instance instead) what this error says when i overriden the ZSI server file i got this error is there any one to say what this error says * Do not open a second thread with

Re: Authenticate every def in views.py

2010-12-18 Thread Jonas H.
On 12/18/2010 10:30 AM, Łukasz Rekucki wrote: On 18 December 2010 03:43, suckerfish wrote: Hi guys I've added a decorator to *each* def in views.py to require authentication. Is there a simpler way that allows me to apply authentication automatically to every def in the file? Depends on your

Re: Multiple conditions on same field in JOIN over three models

2010-12-17 Thread Jonas H.
On 12/17/2010 08:38 PM, Łukasz Rekucki wrote: Blog.objects.filter(post_tags__name__in=["foo", "bar"]).annotate(match_count=Count('post__tags')).filter(match_count=2) This should give you the right results. Neat! And blazingly fast, too, I guess! Thank you very much, anyway :-) Jonas -- You

Re: Request Object Data

2010-12-17 Thread Jonas H.
On 12/17/2010 10:18 PM, hank23 wrote: Is data entered on an input screen automatically added to the request when the screen is submitted? If so are there any special parameters or settings in the screen controls which have to be set/coded to get the entered data saved into the request and under w

Re: Multiple conditions on same field in JOIN over three models

2010-12-17 Thread Jonas H.
On 12/17/2010 08:21 PM, Javier Guerra Giraldez wrote: Blog.objects.filter(post__tags__name="foo").filter(post__tags__name="bar") That's "get all blogs that have at least one post tagged with 'foo' and one post tagged with 'bar'", not requiring that *one post* matches *both* conditions. -- Y

Multiple conditions on same field in JOIN over three models

2010-12-17 Thread Jonas H.
Hello! Assuming the following data model: +--++--+ +-+ | Blog | has many (1:n) | Post | tagged with (n:m) | Tag | +--++--+ +-+ I want to filter out all blogs that have a post tagged with "foo" and "bar"